pylint for common/manifest.py

pylint for common/manifest.py

C:  1,0: Missing docstring
F: 22,0: Unable to import 'common.utils'
C: 24,0: Operator not preceded by a space
HEADER="""<?xml version="1.0" encoding="UTF-8"?>
      ^
      """
      C: 29,0: Operator not preceded by a space
      XML_ITEM="""<project name="%s" path="%s" revision="%s"/>\n"""
              ^
              C: 30,0: Operator not preceded by a space
              FOOTER="""</manifest>"""
                    ^
                    C: 35,4:gen_repo_manifest: Operator not followed by a space
                        manifest_head = HEADER %(fetch_url, review_url)
                               ^
                               C: 40,8:gen_repo_manifest: Operator not followed by a space
                                       manifest_body +=XML_ITEM %(prj_name, prj_path, revision)
                          ^^
                          C: 67,4:get_repo_primary_md: Operator not preceded by a space
                              ret_data= {}
                                          ^

Change-Id: I1e6b6255fdfd814518adbb4d08e3a484b0f91d2a